Claims
- 1. A fluorine-containing coating composition, characterized in that said composition comprises:
- [A] a fluorine-containing polymer which is
- (i) a copolymer consisting substantially of
- (a) a fluoroolefin having 2 or 3 carbon atoms,
- (b) vinyl ether, and
- (c) an organosilicon compound in which the organo portion of the molecule is a hydrocarbon containing unsaturated double bonds and which compound contains a hydrolyzable group,
- (ii) said copolymer comprising, based on the total mole number of said (a)-(c) in the copolymer, 30-70 mol% of (a), 20-60 mol% of (b) and 1-25 mol% of (c), and
- (iii) said copolymer having a number average molecular weight (Mn) of 3000-200000 as measured by gel permeation chromatography, and
- [B] an organic solvent.
- 2. The fluorine-containing coating composition according to claim 1 wherein said organic solvent is selected from the group consisting of benzene toluene, xylene, acetone, methyl ethyl ketone, diethyl ether, ethanol, trichloromethane, dichloroethane and chlorobenzene.
- 3. A fluorine-containing coating composition comprising
- [A] a fluorine-containing polymer which is
- (i) a copolymer consisting substantially of
- (a) a fluoroolefin having 2 or 3 carbon atoms,
- (b) vinyl ether, and
- (c) an organosilicon compound in which the organo portion of the molecule is a hydrocarbon containing unsaturated double bonds and which compound contains a hydrolyzable group,
- (ii) said copolymer comprising, based on the total mole number of said (a)-(c) in the copolymer, 30-70 mol% of (a), 20-60 mol% of (b) and 1-25 mol% of (c) and
- (iii) having a number average molecular weight (Mn) of 3000-20000 as measured by gel permeation chromatography,
- [B] a metal chelate compound, and
- [C] an organic solvent.
- 4. The fluorine-containing coating composition according to claim 3 wherein said metal chelate compound is a chelate compound of metal selected from among Ti, Zr and Al.
- 5. The fluorine-containing coating composition according to claim 1 wherein said organic solvent is selected from the group consisting of benzene, toluene, xylene, acetone, methyl ethyl ketone, diethyl ether, ethanol, trichloromethane, dichloroethane and chlorobenzene.
- 6. A fluorine-containing coating composition, characterized in that said composition comprises:
- [A] a fluorine-containing polymer which is
- (i) a copolymer consisting substantially of
- (a) a fluoroolefin having 2 or 3 carbon atoms,
- (b) vinyl ether, and
- (c) an organosilicon compound in which the organo portion of the molecule is a hydrocarbon containing unsaturated double bonds and which compound contains a hydrolyzable group,
- (ii) said copolymer comprising, based on the total mole number of said (a)-(c) in the copolymer, 30-70 mol% of (a), 20-60 mol% of (b) and 1-25 mol% of (c), and
- (iii) said copolymer having a number average molecular weight (Mn) of 3000-200000 as measured by gel permeation chromatography,
- (B) an organosilicate, and
- (C) an organic solvent.
- 7. The fluorine-containing coating composition according to claim 6 wherein said organosilicate is selected from the group consisting of methyl orthosilicate, ethyl orthosilicate, n-propyl orthosilicate, n-butyl orthosilicate, n-octyl orthosilicate, phenyl orthosilicate, benzyl orthosilicate, phenetyl orthosilicate, allyl orthosilicate, methallyl orthosilicate and polysilicates which are formed by hydration condensation of the above-mentioned silicates.
- 8. The fluorine-containing coating composition according to claim 6 wherein said organic solvent is benzene, toluene, xylene, acetone, methyl ethyl ketone, diethyl ether, ethanol, trichloromethane, dichloroethane or chlorobenzene.
- 9. A fluorine-containing coating composition comprising
- [A] a fluorine-containing polymer which is
- (i) a copolymer consisting substantially of
- (a) a fluoroolefin having 2 or 3 carbon atoms,
- (b) vinyl ether, and
- (c) an organosilicon compound in which the organo portion of the molecule is a hydrocarbon containing unsaturated double bonds and which compound contains a hydrolyzable group,
- (ii) said copolymer comprising, based on the total mole number of said (a)-(c) in the copolymer, 30-70 mol% of (a), 20-60 mol% of (b) and 1-25 mol% of (c) and
- (iii) having a number average molecular weight (Mn) of 3000-200000 as measured by gel permeation chromatography,
- [B] a condensation reaction product of a silane compound represented by the formula R.sup.4.sub.n2 Si(OR.sup.5).sub.4-n.sbsb.2 wherein R.sup.4 is alkyl, cycloalkyl, aryl or aralkyl, R.sup.5 is alkyl, cycloalkyl, aryl, aralkyl or allyl, and n is zero or 1, provided that OR.sup.5 of 4-n.sub.2 may be the same or different, or partial hydrolyzates thereof with an epoxy-containing alcohol, and
- [C] an organic solvent.
- 10. The fluorine-containing coating composition according to claim 9 wherein said condensation reaction product is a compound formed by condensation reaction of a silane compound selected from the group consisting of tetramethyl orthosilicate, tetraethyl orthosilicate, tetra-n-propyl orthosilicate, tetra-n-butyl orthosilicate, tetraisopentyl orthosilicate, tetra-n-octyl orthosilicate, tetraphenyl orthosilicate and tetraallyl orthosilicate or partial hydrolyzates thereof with an epoxy-containing alcohol selected from the group consisting of glycidol, trimethylolpropane polyglycidyl ether and glycerin polyglycidyl ether.
- 11. The fluorine-containing coating composition according to claim 9 wherein said organic solvent is benzene, toluene, xylene, acetone, methyl ethyl ketone, diethyl ether, ethanol, trichloromethane, dichloroethane or chlorobenzene.
- 12. In a process of coating the fluorine-containing coating composition as claimed in claims 1-11 on the surface of substrate, the coating process which comprises previously applying the substrate on the surface thereof with
- (i) a metal alkoxide solution, or
- (ii) an epoxy resin incorporated with at least 3 parts by weight, based on 100 parts by weight of the resin, or a silane coupling agent having an epoxy or amino group as a functional group, thereby forming a primer layer on said surface by drying or curing, and thereafter applying said fluorine-containing coating composition on the surface of said primer layer.
- 13. The process of coating the fluorine-containing coating composition according to claim 12 wherein said metal alkoxide is an alkoxide of metal selected from Ti, Zr and Al.
- 14. The process of coating the fluorine-containing coating composition according to claim 12 wherein said silane coupling agent incorporated into said epoxy resin is selected from the group consisting of .gamma.-glycidoxypropyl trimethoxysilane, .beta.-(3,4-epoxycyclohexyl)ethyl trimethoxysilane, .gamma.-aminopropyl triethoxysilane, N-(.beta. aminoethyl)-.gamma.-aminopropyl trimethoxysililane and N-(.beta.-aminoethyl)-.gamma.-aminopropylmethyl dimethoxysilane.
Priority Claims (5)
Number |
Date |
Country |
Kind |
59-263017 |
Dec 1984 |
JPX |
|
60-99688 |
May 1985 |
JPX |
|
60-113075 |
May 1985 |
JPX |
|
60-115425 |
May 1985 |
JPX |
|
60-250939 |
Nov 1985 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 808,241 filed Dec. 12, 1985 now U.S. Pat. No. 4,701,508.
US Referenced Citations (3)
Divisions (1)
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Number |
Date |
Country |
Parent |
808241 |
Dec 1985 |
|